incl. Bluetooth, rech. battery and calibration protocol 100-240 V mains unit for mains operation or charging the rechargeable battery in the instrument Combustion air temperature probe, immersion depth 190 mm testo Bluetooth printer with mains unit Easyheat software testo 330 for PC USB connection cable, instrument-PC Flue gas probe length 300 mm, Ø 8 mm, Tmax. 500 °C Fine pressure probe Capillary hoses Surface probe angled 90° Connection cable for surface probe Straight Pitot tube Heating check retrofit CD Basic system case with double floor for instrument, probes and further accessories